Search results
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Shags in Antarctica: their feeding behaviour and ecological role in the marine food web.
Abstract: Feeding behaviour, ecological role in the marine food web and population trend of the ... Antarctic Shag Phalacrocorax bransfieldensis and the South Georgia Shag P. georgianus in Antarctica are ... analysed. The diving depths and duration registered in these shags are the deepest and longest among all ... flying birds in Antarctica and match deep dives performed by small Antarctic penguins. Shag individuals ...
Meeting Document : WG-FSA-05/P5 : Author(s): Casaux, R., Barrera-Oro, E.R.
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Fish in the diet of breeding Antarctic shags Phalacrocorax bransfieldensis at four colonies in the Danco Coast, Antarctic Peninsula
, Notothenia coriiceps was the main prey in all of the sampling sites, followed in similar importance by G ... . gibberifrons in Cape Herschel, Primavera Island and Midas Island and in less importance by H. antarcticus in Py ... Point. Between colonies there were marked differences in the size of the fish consumed. The largest ... this last colony. The differences in the composition of the diet may be related to the different ...
Meeting Document : WG-EMM-00/9 : Author(s): R. Casaux, A. Baroni and E. Barrera-Oro (Argentina)
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On amendments to Conservation Measure 51-07 (2014) dealing with interim distribution of the trigger level in the fishery for Euphausia superba in Statistical Subareas 48.1, 48.2, 48.3 and 48.4
Abstract: Taking into account the practice and current state of krill fishery in Area 48, Ukraine ... proposed to revise the Conservation Measure 51-07 (2014) in order to redistribute the trigger level of ... catch in 620 000 tonnes between Subareas in Area 48 in a new percentage limits. This revision will still ... enable to follow the precaution conservation principles of the Convention and in the same time will not ...
Meeting Document : WG-EMM-15/40 : Author(s): Delegation of Ukraine
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Using krill length data from fishery-dependent and fishery-independent data sources to measure changes in the Antarctic krill population structure in the Bransfield Strait
were analysed for trends in population structure. Krill length data collected by the Scheme of ... Scientific Observation (SISO) and the CCAMLR Ecosystem Monitoring Program (CEMP) from 2008 to 2019 in the ... Bransfield Strait were compared. Differences in mean lengths and length-frequencies were apparent, however ... both data sources appeared to be tracking similar processes. CEMP data revealed patterns in population ...
Meeting Document : WG-EMM-2019/76 : Author(s): CCAMLR Secretariat
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A spatial multi-species operating model (SMOM) of krill–predator interactions in small-scale management units in the Scotia Sea
dynamics is developed in response to requests for scientific advice regarding the subdivision of the ... precautionary catch limit for krill among 15 small-scale management units (SSMUs) in the Scotia Sea to reduce ... of krill in each of the SSMUs, as well as the numbers of predator species in each of these areas. The ... numerous uncertainties regarding the choice of parameter values, a Reference Set is used in preference to a ...
Meeting Document : WG-EMM-06/12 : Author(s): É. Plagányi and D. Butterworth (South Africa)
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On interim distribution of the trigger level in the fishery for Euphausia superba in statistical Subareas 48.1, 48.2, 48.3 and 48.4
Abstract: Taking into account the practice and current state of krill fishery in Area 48, Ukraine ... proposed to consider the Conservation Measure 51-07(2014) in order to redistribute the trigger level of ... catch in 620 000 tonnes between Subareas in Area 48 in a new percentage limits and to encourage vessels ... to follow the precaution conservation principles of the Convention and in the same time will not ...
Meeting Document : CCAMLR-XXXIV/BG/35 : Author(s): Delegation of Ukraine
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Relationships between oceanographic environment and distribution of krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05
ecosystem in the Ross Sea and its adjacent waters with a joint survey the R/V Kaiyo Maru and the Japanese ... Whale Research Program in the 2004/05 austral summer. We compared the relationship between the ... is the averaged temperature in degrees Celsius from the surface to 200 m; note all temperatures given ... below are MTEM-200 values).- Antarctic krill mainly distributed in the waters between 0 to-1℃ of MTEM ...
Meeting Document : WG-EMM-08/31 : Author(s): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka, T. Iwami and K. Ito (Japan)
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.4
fishing, CCAMLR decided to close the fishery in 2002 in division 58.4.4. Since 2008 only one vessel ... , Shinsei maru No. 3, had conducted research fishing in accordance with a research plan submitted under CM ... 24-01. In 2014, WG-FSA agreed research fishing conducted in the research blocks C and D by two ... account the remarks made during the WG-FSA 2014. In SSRU 58.4.4D, tag recaptures are insufficient (the ...
Meeting Document : WG-FSA-15/67 : Author(s): A. Rélot-Stirnemann (France)
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Overview and update of Australia’s scientific tagging program in the Patagonian toothfish (Dissostichus eleginoides) fishery in the vicinity of Heard and McDonald Islands (Division 58.5.2)
Abstract: Australia has conducted a scientific tagging program in the Dissostichus eleginoides ... fishery in 58.5.2 since the 1997/98 season. This program has yielded data which has assisted with ... . Tagging effort and recaptures are very concentrated in a relatively small area of this species’ habitat in ... this Division. Furthermore, as toothfish appear to have complex patterns of movement in space and time ...
Meeting Document : WG-FSA-07/48 Rev. 1 : Author(s): D.C. Welsford, T. Lamb and G.B. Nowara (Australia)
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Results of the scientific research survey in CCAMLR Subarea 88.3 in the 2004/05 season
Abstract: Results from the New Zealand research survey in CCAMLR Subarea 88.3 in February 2005 ... -recruit D. mawsoni were caught at much greater depths than occurs in the other Subareas of Area 88. This ... result has significant implications for future trawl surveys in this area. The catch rate obtained on one ... line on the Antarctic shelf is similar to catch rates taken in other Subareas and Divisions where ...
Meeting Document : WG-FSA-05/53 : Author(s): G. Patchell (New Zealand)